Face milling cutter with indexable inserts

Details Face milling cutter with indexable inserts Face milling cutter with indexable inserts

1990-04-02

1991-02-26

Schmidt, Frederick R.

Cutters, for shaping

Rotary cutting tool

Including holder having seat for inserted tool

407 34, 407 30, B26D 112

Patent

active

049957678

ABSTRACT:
The face milling cutter of this invention has indexable inserts with double-positive rake. Square inserts for a substantially 0.degree. lead angle are insertable in the body interchangeably with different octagonal inserts that respectively provide for 15.degree., 30.degree. and 45.degree. lead every insert engages a radially outwardly facing relief surface on angles. One relief surface on the body that extends parallel to the cutter axis, and another engages an axially forwardly facing surface on a rear body member. The large area leading surface on each insert flatwise engages a circumferentially facing surface on the body that establishes the rake angles. Every insert has an operative cutting edge that is spaced radially outwardly from the body and has another and longer edge that is spaced axially fowardly from the front surface of the body and serves as a wiper land.

REFERENCES:
patent: 2761196 (1956-09-01), Graves et al.
patent: 3323194 (1967-06-01), Greenleaf
patent: 4808044 (1989-02-01), Tsujimura et al.

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